英语词汇“roadbed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

road•bed n.

road•bed n.

Rail Transport
- the bed or foundation structure for the track of a railroad.
- the layer of ballast immediately beneath the ties of a railroad track.
Transportthe material of which a road is composed.

单词	roadbed
释义	WordReference Random House Learner's Dictionary of American English © 2024 road•bed /ˈroʊdˌbɛd/USA pronunciation n. Rail Transport[countable] the bed or foundation for the track of a railroad. Transport[uncountable] the material of which a road is made up. WordReference Random House Unabridged Dictionary of American English © 2024 road•bed (rōd′bed′),USA pronunciation n. Rail Transport the bed or foundation structure for the track of a railroad. the layer of ballast immediately beneath the ties of a railroad track. Transportthe material of which a road is composed. road + bed 1830–40. American.
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